Home / 1,406,809.67-2,109,783.56-508,140.59

Finding the Fourth Proportional to 1,406,809.67, 2,109,783.56 and 508,140.59

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Solution

The fourth proportional to 1,406,809.67, 2,109,783.56 and 508,140.59 is: 762,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,809.67 : 2,109,783.56 = 508,140.59 : x
  2. Step 2: Convert to fraction form
    1,406,809.67/2,109,783.56 = 508,140.59/x
  3. Step 3: Cross multiply
    1,406,809.67x = 2,109,783.56 × 508,140.59
  4. Step 4: Simplify right side
    1,406,809.67x = 1,072,066,649,861.08
  5. Step 5: Solve for x
    x = 1,072,066,649,861.08/1,406,809.67
  6. Step 6: Final answer
    x = 762,055.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.